Living Proof Prime Style Extender Spray, created specifically for fine hair, is an innovative hair primer that extends your style 2 times longer. Repelling dirt and oil to keep hair cleaner, longer, it creates an optimal base for all styles, especially volumized styles. It detangles, perfects and smooths strands during styling and throughout the day. For fine hair. Silicone-free and oil-free; safe for color and chemically treated hair.